Slow cooker



FIG. 1 is a front right perspective view of the slow cooker showing the new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a back elevation view thereof.

The broken line showing of portions of the slow cooker is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for an slow cooker, as shown and described. 